文章大意：本文是一篇记叙文。文章介绍了一个狗狗在雪山中度过数天后被安全救回，之前被认为在雪崩中死亡。同时，文章还提到了在科罗拉多州发生的一起滑雪和滑板行动中的雪崩事件。一位滑板手被掩埋，但幸运的是，另一位滑雪者将其救了出来。在事件中，包括一只狗在内的生命都经历了惊险的时刻。最后，狗狗被发现在难以想象的恶劣条件下苟活了下来。
1 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
A dog who is thought to have died in a snow slide is home safe after spending days in the 1 (freeze) cold mountains.
A skier and a snowboarder both survived a snow slide in Chaffee County, Colorado, last week. “The second skier down caused a snow slide, 2 then washed over the snowboarder,” said Brian Lazar, the second-in-command director of the Colorado Avalanche Information Center.
The skier opened his airbag and 3 (injure) badly. The snowboarder who 4 (be) below was unable to open her airbag, and she was buried 5 (complete) without a possible airway. The skier was able to save her from the snow. “This could have gone 6 a much different direction very easily.” Lazar said.
The couple also had their dog with them. After searching everywhere for the dog following 7 snow slide, they left without being able to find it.
“We did have some search and rescue 8 (member) visit yesterday, but they didn’t see any signs of tracks,” Lazar said.
It was supposed that the dog died in the snow slide 9 the dog was found on a road late Saturday night.
“Extraordinarily, the dog managed 10 (survive) and made it back to Monarch Pass after spending many nights in cold weather,” Lazar said.
